Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 01:43

General

  • Target
    2026-06-02_6f287ffad6c31b3f412bceb9d2b6d447_icedid_njrat_vidar.exe
  • Size 6.4MB
  • Sample260602-b5rcqact6k
  • SHA256 4dbb07a1cfd3c0cfad87affccb15c63dbf969bbd60d2c4a20be67b684da4d389
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops file in Windows directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-02_6f287ffad6c31b3f412bceb9d2b6d447_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_6f287ffad6c31b3f412bceb9d2b6d447_icedid_njrat_vidar.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c expand.exe "C:\Users\Admin\AppData\Local\Temp\FjEXF0000\MyData.cab" -f:* .
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\system32\expand.exe
        expand.exe "C:\Users\Admin\AppData\Local\Temp\FjEXF0000\MyData.cab" -f:* .
        3⤵
        • Drops file in Windows directory
        PID:4028
    • C:\Users\Admin\AppData\Local\Temp\FjEXF0000\ExecAssist.exe
      "C:\Users\Admin\AppData\Local\Temp\FjEXF0000\ExecAssist.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3836
      • C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\Update.exe
        "C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\Update.exe"
        3⤵
        • Executes dropped EXE
        PID:3988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ExecAssist.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\ExecAssist.exe
        • Size 170KB
        • SHA256 3267cfb4e507c55f63065990589d517a1957aba3ebda6cfd1976eb46ff115557
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Update.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\Update.exe
        • Size 263KB
        • SHA256 7f2ee214bcfd2578320844b14fd1780db5fe586d82fa22cbf19df7769a3d2eae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ChkSSD.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\ChkSSD.exe
        • Size 219KB
        • SHA256 10f6f188c515a415d1d428c8563be01abdd1d1e7412840841a4071e6d911d42a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7L2QGXD7_Noformat.bin

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\Data\7L2QGXD7_Noformat.bin
        • Size 2.0MB
        • SHA256 932bee37dc2ede516e9a7cc136a5591deb086c069d102ce7932e94ddf8803341
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RaidFWUpdate_V1_2_3.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\Data\RaidFWUpdate_V1_2_3.exe
        • Size 13.7MB
        • SHA256 709cec9a4633003765eead70e1af62c53bab4ab8dfe9e614dcc697db4ed73f11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExecPr.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\ExecPr.exe
        • Size 144KB
        • SHA256 78811c8d98cda9d31b22c21a2de400e683aa7e195195feb60bc4c7baa010b777
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IsAcDc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\IsAcDc.exe
        • Size 194KB
        • SHA256 c2e5e912c77a953f36c916eeb5b616982b7d140d3439dad44655a528a401bd59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IsRegKey.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\IsRegKey.exe
        • Size 143KB
        • SHA256 3b6f8b01b959e84179031a2f37997e6f4920c60fe241067e62d3fce2753391da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OutCsv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\OutCsv.exe
        • Size 187KB
        • SHA256 8490a76794929f8e40349a162b1cf6e14e46486b603f5f383e38018b5b8e9ad3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Progress.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\Progress.exe
        • Size 202KB
        • SHA256 555555c9945cdb33cf60a9b85c92a42c398d132fe8cd4cee67fd2d270b4284fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RegVolKey.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\RegVolKey.exe
        • Size 187KB
        • SHA256 dffa22afba62287ce1047409cf806af152fe7f9f0b0b07abd386a8af264ed25c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        config.ini

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\en-US\config.ini
        • Size 17KB
        • SHA256 d792fc6a86522159eb089c2e87c0f5d081d5a45bfd5e8b1b375bd997596cdf97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        config.ini

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\ja-JP\config.ini
        • Size 16KB
        • SHA256 bf1853f3268dbca95f399833000223bdf9d910d1f6ffc07af0ffc28b7a6a6ca5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        make.cmd

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\make.cmd
        • Size 195B
        • SHA256 e29f8066fcef601ba7676e868d762bc5a954c2bd249008c504f1b593398adc65
        • MD5 SHA1 SHA512 TLSH

        target.ini

        • Path C:\Users\Admin\AppData\Local\Temp\FjEXF0000\Updater\config\target.ini
        • Size 642B
        • SHA256 cd2013c3491877fa7709d14fcadcd65e9f07e6ed40efb792a532ec61ce8ae6c9
        • MD5 SHA1 SHA512 TLSH

        mydata.cab

        • Path \??\c:\users\admin\appdata\local\temp\fjexf0000\mydata.cab
        • Size 6.2MB
        • SHA256 14ccf81a01e07786f9f031201db79013be6ab192ae8279c49073da0e0515da63
        • MD5 SHA1 SHA512 SSDEEP TLSH